Recom international rm series dcdc converter single output sip4 recom rm 3333s this recom rm 3333s dcdc converter is from the rm series it has been designed for isolating or converting dc power rails with very light loads the 025w single output converter has an efficiency that is typically 10 higher than a comparable 05w or 1w converter run at the same low load recom 10002371 rm 3333s 025w dcdc converter 33v in 33v out